Add: initial data on migration

backend/apps/archive/apps.py

@@ -1,6 +1,24 @@
 from django.apps import AppConfig
 
+from django.db.models.signals import post_migrate
+from django.dispatch import receiver
+
 
 class ArchiveConfig(AppConfig):
     default_auto_field = "django.db.models.BigAutoField"
     name = "apps.archive"
+
+
+@receiver(post_migrate)
+def insert_defualt_data(sender, **kwargs):
+    from apps.archive.models import CategoryModel
+
+    categories = {
+        "furaffinity": "FurAffinity",
+        "deviantart": "DeviantArt",
+        "twitter": "Twitter/X",
+    }
+
+    if sender.name == ArchiveConfig.name:
+        for key, value in categories.items():
+            CategoryModel.objects.get_or_create(slug=key, name=value)